The Qing Jing Jing ,full name "Taishang Laojun Says Changqing Jing Jing", was written before the Wei and Jin dynasties. The 591-word Quanjing emphasizes the word "qingjing", which describes the basic principles of Taoist cultivation and cultivation, and is one of the important materials of Taoist alchemy.
The Ming Dynasty calligrapher Wen Zhengming wrote this sutra in Xiao Kai, with fine pen and ink and gentle strokes, both the Majesty and Pingzheng of the Erwang Xiaokai French style, and the flowing and flexible movement of the Tang Dynasty Xiao Kai, which can be called a fine work of Xiao Kai. Under the sweltering heat, it reads like tasting herbal tea, which makes people cool for a summer.
